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The Microsoft SoftCard for the Apple II: Getting Two Processors to Share the Same Memory

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Microsoft’s Z-80 SoftCard allowed Apple II users to run CP/M software by utilizing a secondary Zilog Z80 processor, facilitating memory sharing and enabling coexistence with the existing 6502 processor. The SoftCard remapped memory to avoid conflicts and included a detailed manual for programming, including challenges of managing interrupts and memory addresses.

https://devblogs.microsoft.com/oldnewthing/20251104-00/?p=111758

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Apple II

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Mike’s website highlights his enthusiasm for vintage computers, mainly Apple models, as well as a variety of tech hobbies. He restores, builds replicas, and operates classic machines, sharing his experiences and advice with the community. Mike believes these old computers should be kept running, not just preserved, and provides information, kits, and resources for other hobbyists. His site also covers related interests like repair tips, history, and new ongoing projects.

https://willegal.net/appleii/appleii-first_page.htm

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From: Steve Jobs. “Great Idea, Thank You.”

Steve Jobs sent an email to new NeXT Systems Engineer Steve Hayman, replying “Great idea, thank you” after Hayman naively set up an email alias for Jobs’ address ([email protected]) to his own. Initially panicking over misdirected emails, Hayman corrected the alias back to Jobs and explained his mistake, receiving a cherished written acknowledgment from Jobs. Hayman reflects on this unique interaction and his career, which began with Jobs and ended with Tim Cook.

https://blog.hayman.net/2025/05/06/from-steve-jobs-great-idea.html

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